linux-kernel - [RFC PATCH 4/7] ABI: testing: Add description of soundwire slave sysfs files

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Date:   Fri,  3 May 2019 20:00:27 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     alsa-devel@...a-project.org
Cc:     linux-kernel@...r.kernel.org, tiwai@...e.de, broonie@...nel.org,
        vkoul@...nel.org, gregkh@...uxfoundation.org,
        liam.r.girdwood@...ux.intel.com, jank@...ence.com, joe@...ches.com,
        srinivas.kandagatla@...aro.org,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Subject: [RFC PATCH 4/7] ABI: testing: Add description of soundwire slave sysfs files

The description is directly derived from the MIPI DisCo specification.

Credits: this patch is based on an earlier internal contribution by
Vinod Koul, Sanyog Kale, Shreyas Nc and Hardik Shah

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
---
 .../ABI/testing/sysfs-bus-soundwire-slave     | 85 +++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-soundwire-slave

diff --git a/Documentation/ABI/testing/sysfs-bus-soundwire-slave b/Documentation/ABI/testing/sysfs-bus-soundwire-slave
new file mode 100644
index 000000000000..db2a0177f68f
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-soundwire-slave
@@ -0,0 +1,85 @@
+What:		/sys/bus/soundwire/devices/sdw:.../bank_delay_support
+		/sys/bus/soundwire/devices/sdw:.../ch_prep_timeout
+		/sys/bus/soundwire/devices/sdw:.../clk_stop_mode1
+		/sys/bus/soundwire/devices/sdw:.../clk_stop_timeout
+		/sys/bus/soundwire/devices/sdw:.../high_PHY_capable
+		/sys/bus/soundwire/devices/sdw:.../master_count
+		/sys/bus/soundwire/devices/sdw:.../mipi_revision
+		/sys/bus/soundwire/devices/sdw:.../p15_behave
+		/sys/bus/soundwire/devices/sdw:.../paging_support
+		/sys/bus/soundwire/devices/sdw:.../reset_behave
+		/sys/bus/soundwire/devices/sdw:.../simple_clk_stop_capable
+		/sys/bus/soundwire/devices/sdw:.../sink_ports
+		/sys/bus/soundwire/devices/sdw:.../source_ports
+		/sys/bus/soundwire/devices/sdw:.../test_mode_capable
+		/sys/bus/soundwire/devices/sdw:.../wake_capable
+
+Date:		May 2019
+
+Contact:	Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
+
+Description:	SoundWire Slave DisCo properties.
+		These properties are defined by MIPI DisCo Specification
+		for SoundWire. They define various properties of the
+		SoundWire Slave and are used by the bus to configure
+		the Slave
+
+
+What:		/sys/bus/soundwire/devices/sdw:.../dp0/BRA_flow_controlled
+		/sys/bus/soundwire/devices/sdw:.../dp0/imp_def_interrupts
+		/sys/bus/soundwire/devices/sdw:.../dp0/max_word
+		/sys/bus/soundwire/devices/sdw:.../dp0/min_word
+		/sys/bus/soundwire/devices/sdw:.../dp0/simple_ch_prep_sm
+		/sys/bus/soundwire/devices/sdw:.../dp0/word_bits
+
+Date:		May 2019
+
+Contact:	Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
+
+Description:	SoundWire Slave Data Port-0 DisCo properties.
+		These properties are defined by MIPI DisCo Specification
+		for the SoundWire. They define various properties of the
+		Data port 0 are used by the bus to configure the Data Port 0.
+
+
+What:		/sys/bus/soundwire/devices/sdw:.../src-dpN/block_pack_mode
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/channels
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/ch_combinations
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/ch_prep_timeout
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/imp_def_interrupts
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/max_async_buffer
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/max_ch
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/max_grouping
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/max_word
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/min_ch
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/min_word
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/modes
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/port_encoding
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/simple_ch_prep_sm
+		/sys/bus/soundwire/devices/sdw:.../src-dpN/words
+
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/block_pack_mode
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/channels
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/ch_combinations
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/ch_prep_timeout
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/imp_def_interrupts
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/max_async_buffer
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/max_ch
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/max_grouping
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/max_word
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/min_ch
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/min_word
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/modes
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/port_encoding
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/simple_ch_prep_sm
+		/sys/bus/soundwire/devices/sdw:.../sink-dpN/words
+
+Date:		May 2019
+
+Contact:	Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
+
+Description:	SoundWire Slave Data Source/Sink Port-N DisCo properties.
+		These properties are defined by MIPI DisCo Specification
+		for SoundWire. They define various properties of the
+		Source/Sink Data port N and are used by the bus to configure
+		the Data Port N.
-- 
2.17.1